39922160

素因数分解:

$2^4\times 5^1\times {\mathrm{499027}}^1$

素因数の和:499040

約数の個数: 20

約数和(自身を含む): 92819208

約数和(自身を除く): 52897048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499027, 998054, 1996108, 2495135, 3992216, 4990270, 7984432, 9980540, 19961080, 39922160]

約数ペア:

[(1, 39922160), (2, 19961080), (4, 9980540), (5, 7984432), (8, 4990270), (10, 3992216), (16, 2495135), (20, 1996108), (40, 998054), (80, 499027)]